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    UnitConvertLab — Unit conversion laboratory

    120 Horsepower (Boiler) to BTU/Minute

    120 Horsepower (Boiler) (hp (S)) equals

    66,942.8067 BTU/min

    120 × 557.8567225039 = 66,942.8067 BTU/Minute

    Convert Horsepower (Boiler) (hp (S)) to BTU/Minute (BTU/min) instantly. 1 hp (S) = 557.856723 BTU/min.

    Worked example: converting Horsepower (Boiler) to BTU/Minute

    1. Step 1 — start with the formula. BTU/min = hp (S) × 557.8567225039
    2. Step 2 — substitute your figure. 120 hp (S) × 557.8567225039
    3. Step 3 — read the result. 120 hp (S) = 66,942.8067 BTU/min
    4. Step 4 — check it in reverse. hp (S) = BTU/min × 0.001792575 returns Invalid hp (S), which matches the figure you started with.

    Power Converter

    22 units available

    Decimals:
    66,942.8067

    120 hp (S) = 66,942.8067 BTU/min

    Formula:

    BTU/min = hp (S) × 557.8567225039

    With your value: 120 hp (S) = 66,942.80670046 BTU/min

    How big is that?

    Everyday references on a logarithmic scale, all expressed in horsepower (boiler) so you can sanity-check the result.

    LED bulb (1/1.3e+5 your value)0.000917 hp (S)
    Laptop (1/1.8e+4 your value)0.00663 hp (S)
    Microwave oven (1/1.2e+3 your value)0.102 hp (S)
    Electric kettle (1/3.9e+2 your value)0.306 hp (S)
    Family car engine (1/13 your value)9.17 hp (S)
    Your value120 hp (S)

    Other Horsepower (Boiler) to BTU/Minute conversions

    85 hp (S) to BTU/min90 hp (S) to BTU/min96 hp (S) to BTU/min100 hp (S) to BTU/min150 hp (S) to BTU/min200 hp (S) to BTU/min500 hp (S) to BTU/minFull Horsepower (Boiler) to BTU/Minute converter

    Horsepower (Boiler) to BTU/Minute Conversion Table

    Horsepower (Boiler) (hp (S))BTU/Minute (BTU/min)
    0.5278.928361
    1557.856723
    21,115.713445
    52,789.283613
    105,578.567225
    158,367.850838
    2011,157.13445
    2513,946.418063
    5027,892.836125
    10055,785.67225
    250139,464.180626
    500278,928.361252
    1000557,856.722504

    BTU/Minute to Horsepower (Boiler) Conversion Table

    BTU/Minute (BTU/min)Horsepower (Boiler) (hp (S))
    0.50.000896
    10.001793
    20.003585
    50.008963
    100.017926
    150.026889
    200.035851
    250.044814
    500.089629
    1000.179257
    2500.448144
    5000.896287
    10001.792575

    Where these values come from

    Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

    Horsepower (Boiler) (hp (S))

    Power

    Exact conversion

    Derived from the watt (1 W = 1 J/s).

    Source: NIST Special Publication 811, Guide for the Use of the International System of Units

    National Institute of Standards and Technology (US) · Reviewed 2026-07-01

    BTU/Minute (BTU/min)

    Power

    Exact conversion

    Derived from the watt (1 W = 1 J/s).

    Source: NIST Special Publication 811, Guide for the Use of the International System of Units

    National Institute of Standards and Technology (US) · Reviewed 2026-07-01

    How to Convert Horsepower (Boiler) to BTU/Minute

    To convert from Horsepower (Boiler) (hp (S)) to BTU/Minute (BTU/min), multiply the value by 557.8567225039.

    Formula: BTU/min = hp (S) × 557.8567225039

    Reverse: hp (S) = BTU/min × 0.001792575

    Step-by-Step Example

    1. Start with your value in Horsepower (Boiler). For example: 5 hp (S)
    2. Multiply by the conversion factor: 5 x 557.8567225039
    3. The result is: 2,789.283613 BTU/min

    About Horsepower (Boiler)

    The horsepower (boiler) (hp (S)) is a unit of power. One horsepower (boiler) equals 9809.5 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    Common uses: power calculations, engineering and science, education.

    About BTU/Minute

    The btu/minute (BTU/min) is a unit of power. One btu/minute equals 17.58426421 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    Common uses: power calculations, engineering and science, education.

    Frequently Asked Questions

    What is 120 Horsepower (Boiler) in BTU/Minute?

    120 Horsepower (Boiler) equals 66,942.8067 BTU/Minute.

    How many BTU/Minute are in 1 Horsepower (Boiler)?

    There are exactly 557.8567225039 BTU/Minute in 1 Horsepower (Boiler). This means the conversion factor from Horsepower (Boiler) to BTU/Minute is 557.8567225039.

    What is the formula to convert Horsepower (Boiler) to BTU/Minute?

    The formula to convert Horsepower (Boiler) to BTU/Minute is: BTU/min = hp (S) × 557.8567225039. For example, to convert 10 Horsepower (Boiler) to BTU/Minute, you would multiply 10 by 557.8567225039.

    What is a Horsepower (Boiler)?

    The horsepower (boiler) (hp (S)) is a unit of power. One horsepower (boiler) equals 9809.5 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    What is a BTU/Minute?

    The btu/minute (BTU/min) is a unit of power. One btu/minute equals 17.58426421 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    What are the common uses of Horsepower (Boiler)?

    The Horsepower (Boiler) is commonly used in power calculations, engineering and science, education.

    Related Power Conversions

    Watt → BTU/MinuteKilowatt → BTU/MinuteMegawatt → BTU/MinuteGigawatt → BTU/MinuteMilliwatt → BTU/MinuteMicrowatt → BTU/MinuteHorsepower (Mech) → BTU/MinuteHorsepower (Metric) → BTU/MinuteHorsepower (Elec) → BTU/Minute

    Cite this page

    UnitConvertLab. (2026). 120 Horsepower (Boiler) to BTU/Minute. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/120-horsepower_boiler-to-btu_per_minute